@article{mueller,
    AUTHOR = {M{\"u}ller, Christian and Wallner, Johannes},
     TITLE = {Semi-discrete isothermic surfaces},
   JOURNAL = {Results Math.},
  FJOURNAL = {Results in Mathematics},
    VOLUME = {63},
      YEAR = {2013},
    NUMBER = {3-4},
     PAGES = {1395--1407},
      ISSN = {1422-6383},
       DOI = {10.1007/s00025-012-0292-4},
       URL = {http://www.geometrie.tuwien.ac.at/cmueller/sdisoth2013.pdf},
}